1970Final resultsIncumbent defeated
1970 Democratic primary runoff for Oklahoma House District 66
Oklahoma House of Representatives · Oklahoma
M. David Riggs (D) won with 56.9% of the vote, defeating Clyde E. Browers (D) by 13.9 points.
M. David RiggsDemocrat · winner
56.9%1,160
Clyde E. BrowersDemocrat · incumbent
43.1%877
2,037 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET